POPPUMP Norfolk Island Technical Center

Tel:(001)3474109611

POPPUMP logo

POPPUMP Norfolk Island Technical Center , Discuss Technical Problem , Suply After Service Online of Fuel Dispenser, Please Regist Firstly

MEMBER

member

MEMBER

China Hongyang Group, is an integrated enterprise with the research & development, production and marketing of Fuel Dispenser and related accessories as well as service station concerning equipments. It concentrates on the relative manufacture & services of filling station such as Hongyang tax control Fuel dispenser, IC Card fuel dispenser, manage system of network for stations, submerge pump and liquid level devise. China Hongyang Group, designed supplier of SinoPec and PetrolChina, our HONGYANG products have been sold to over 50 countries in South-east Asia, Mid-east, Africa, Europe and well received in their markets.

products links

links

technical archives

    ur kinds of display mode: Mode I: serial BCD display, in which volume 6 digits, money or sales 6 digits, PPU or unit price 4 digits, totally 16 digits are transmitted out in means of serial mode, realizing operation of memory, coding and drive in display. Diagram 3-5: Main display board figure Mode II: serial display, in which chip transmit 16 digits inc fuel dispenser luding volume 6 digits, sales 6 digits and PPU 4 digits, memorizing and driving in display. Mode III and IV: parallel BCD display, in which chip transmits 16 digits codes including volume 6 digits, sales 6 digits and PPU 4 digits by means of parallel, once time one digit, memorizing, coding and driving in display. Most of fuel dispenser manufacturers recently adopt BCD serial mode to design display board, only very few adopt serial display mode. 1638300217170Display board structures are illustrated in Diagram 3-6 and 3-7. Diagram 3-6: LCD display board structure with parallel drive Diagram 3-7: LCD display board structure with serial drive Being a electric component easy to be failed, the hard structure of display board is introduced in detailed. LCD basic principle and working principle Liquid crystal a stable phase between liquid and solid in terms of thermodynamics, characteristic of not only liquidity and continuity under a certain temperature range, but crystal trait ---- long stick molecule, large proportion of width to length, a bridge between the two polarities. LCD Structure illustrated in Diagram 3-8, electrodes are made various letters, number or matrix according to different requirements. Diagram 3-8: Basic structure of LCD 8-segment LCD and drive 8-segment display tube has two drive modes of static and hour-division. Fuel dispenser usually ad fuel dispenser opt static drive mode. Static drive circuit and wave showed in Diagram 3-9, the drive mode of LCD display is varied from that of LED display. As for LED only need to connect invariable conduct or cut off voltage to control em fuel dispenser itting or wink of LED, but for LCD should not connect inv

technical specification

    he   2 retries will be attempted before the application reports an error.  June 2005 IFSF - STANDARD FORECOURT PROTOCOL FP2_1.89   COMMUNICATION SPECIFICATION   P fuel dispenser age: 43   MS_Ack=8 Message unexpected occurs when for whatever reason the CD sends   an ANSWER or ACKNOWLEDGE message that is not expected i.e. there is no   corresponding READ or WRITE message (i.e. one with the same token in the   Message Status (M_st) field.   Example Ms_Ack=8: An error occurs in the CD processing and instead of trying to   Read the Heartbeat Interval of a device it sends an Answer message. In this example a   token of value 10 (0AH) is used.   1801 0208 02 2A 0003 0100 04   and the reply would be   0208 1801 00 EA 0003 0100 08  5.3.2 Application Data Layer Errors   At this point the sending application both read and write has been able to transmit   and the recipient device receive the entire application message. The device is not busy   and no blocks are missing. Error handling must look at the content of the application   data. Data errors are reported in the following sequence.   1. Check the Database Address is valid. An Acknowledge message containing a   MS_Ack of 6 is always returned for an unknown database address for both   read and write messages.   2. Check the Data_ID is valid. For a read message the respons fuel dispenser e is an answer   message in which the Data_Lg will be set to zero and no data is present. E.g. a   Read of Data_ID=0 in the communication services database will have the   fuel dispenser foll

we are committed to create the best workplace, encourage our staffs to put their own personalities into their jobs, and provide them a stage to show themselves.

    or international flights. Even though today s aircraft are about 70% more efficient than those of 40 years ago, concerns over emissions have grown. Despite booming demand for air travel, many airlines are losing money. Now green campaigners want people to think twice before they fly. The clamour is particularly loud in Europe, where low-cost carriers are fuel dispenser expanding fast on busy short-haul routes. The European Parliament will vote in July on a proposal to cap aircraft emissions and include them in the European Union s emissions-trading scheme for CO2 (called ETS). The proposal has world wide implications because it would cover all flights using EU airports—including international services. America is deeply unhappy at the prospect of its airlines being caught up in devices like ETS. Sharon Pinkerton, a senior representative of the Federal Aviation Administration insisted, on a visit to Brussels last year, that American carriers should be exempted from the scheme. This sets the scene for another transatlantic aviation row, to add to the two bitter and long-running disputes over subsidies to Europe s Airbus and the liberalisation of air traffic between the two continents. The airlines are growing nervous. The big international carriers represented by the International Air Transport Association (IATA) would rather Europe waited for the deliberations of a United Nations body, the International Civil Aviation Organisation (ICAO), which has set technical, legal and safety rules for more than 50 years. International aviation was excluded from the Kyoto protocol on global warming, but only on condition that, by the end of 2007, countries and airlines worked under the umbrella of ICAO to come up with a way of reducing emis fuel dispenser sions through a trading scheme. Soon after the end of the second world war the member governments of ICAO agreed that airlines should be free of fuel taxes. Some say this was to outlaw unilateral taxes that could distort fuel dispenser markets, but others reckon it was done to boost the fl